Energy Supply in the Region Ulm / Neu-Ulm Survey SWU – the Municipal Utility in Ulm /Neu-Ulm Informations about the region Energy supply in the region: Structure data Structure of electric power supply Renewable Energies + Hydropower + Solar Energy + Biomass Energy District Heating based on Cogeneration Monat Jahr Abteilung Folie 1 © SWU-Unternehmensgruppe Dr. Jörg Entress SWU-Energie GmbH - Grundsatzfragen Energietechnik

SWU Energie – the Municipal Utility of Ulm /Neu-Ulm Divisions of the company: - Energy supply: Electricity, natural gas, district heat - Provides drinking water - Local traffic - Telecommunication 1.000 employees Operator of the electric and gas grid Monat Jahr Abteilung Folie 2 © SWU-Unternehmensgruppe

SWU Energie – the Municipal Utility of Ulm /Neu-Ulm SWU Stadtwerke Ulm / Neu-Ulm SWU Energie GmbH SWU Verkehr Energie Plus TeleNet SWU Group of Companies Gasversorgung Blaubeuren GVB Langenau GVL Technische Werke Herbrechtingen TWH 50% Fernwärme Ulm GmbH FUG UTILITe-Place AG 10.42% Ulmer Brennstoff- zellen-Manufaktur UBzM 50 % Donau Iller Nahverkehrs- gesellschaft DING 16,6% Participations KUMA it-consult S 22, Stand: 01.04.2005 SWU Netze GmbH European Energy Exchange AG EEX 0,25% Bayerngas GmbH 5% Monat Jahr Abteilung Folie 3 © SWU-Unternehmensgruppe

Informations about the Region Located at Danube and Iller 200.000 residents (in Ulm 120.000; Neu-Ulm 50.000 and in the vicinity) Urban area: 20.000 ha (Ulm: 12.000 ha; Neu-Ulm 8.000 ha) including agricultural area: 9.000 ha Medium sized companies: vehicle construction, metal working industry, pharmaceutical company Science Park: Daimler-Chrysler, Siemens, Nokia Monat Jahr Abteilung Folie 4 © SWU-Unternehmensgruppe

Energy supply in the region - Structure Data Energy consumption Electric power 1.200 GWh/a Natural gas: 2.000 GWh/a District heat: 700 GWh/a (SWU, FUG) Drinking water: 11 Mio m³/a Monat Jahr Abteilung Folie 5 © SWU-Unternehmensgruppe

Structure of electric power supply Local Monat Jahr Abteilung Folie 6 © SWU-Unternehmensgruppe Overall

Renewable Energies Hydropower Plants at Danube and Iller History 1893: Formation of the communal electric utility in Ulm to power an electrical tram  first hydropower plant in 1899 Textile and metal working industry settled down because of the hydropower potential 1960: More then 50 % of electrical demand was covered by hydropower Monat Jahr Abteilung Folie 7 © SWU-Unternehmensgruppe

Renewable Energies Hydropower Plants at Danube and Iller Today 8 Hydropower Plants, total Power 18 MW Power Range: 50 kW - 8 MW Annual Power generation: 100 GWh/a Hydropower is the most important renewable energy source in the region Monat Jahr Abteilung Folie 8 © SWU-Unternehmensgruppe

Renewable Energies - Planning of a New Hydropower Plant A lot of restrictions by nature conservation reasons make it very difficult to get a licence for a new hydropower plant Monat Jahr Abteilung Folie 9 © SWU-Unternehmensgruppe Hydropower Plant Electric power 2,8 MW Annual power generation 12 Mio. kWh

Solar Energy - Electricity and Heat 517 Photovoltaic power plants from 1 kWp to 200 kWp Overall solar electric power: 4.300 kWp Annual electrical production: 3.900 MWh Solar thermal plants: 8.100 m², 2.800 MWh/a heat production 2 district heating systems, several small private plants Monat Jahr Abteilung Folie 10 © SWU-Unternehmensgruppe

Solar Energy - Solar Foundation Solarstiftung Ulm/Neu-Ulm The Solar Foundation were established by Ulm, Neu-Ulm and SWU in 1996 Promoting solar projects: PV and solar heat plants for schools Public relation for renewable energies Monat Jahr Abteilung Folie 11 © SWU-Unternehmensgruppe

Renewable Energies - Biomass Power Plant Wood fired plant 9 MWel Cogeneration of heat and power Heat supply for the district heating Ulm Annual production: 54 GWh electricity 190 GWh heat 140.000 tons wood per year Plant operator: FUG Monat Jahr Abteilung Folie 12 © SWU-Unternehmensgruppe

Renewable Energies - Biomass Power Plant - Feasibility Study: Biomass-Gas plant for the district heating in Neu-Ulm Wood-gas fired gas engine Cogeneration of heat and power with high electrical efficiency > 30 % Annual production: 37.000 MWh electricity, ca. 20.000 MWh heat 40.000 tons wood per year Monat Jahr Abteilung Folie 13 © SWU-Unternehmensgruppe

District Heating in Ulm / Neu-Ulm - Based on Cogeneration District heating downtown Ulm, fired with: - Biomass, Coal and natural gas District heating in the industrial area Donautal, Waste fuel fired Small district heating systems in suburbs of Ulm based on gas engines District heating in Neu-Ulm based on gas engine power plant Monat Jahr Abteilung Folie 14 © SWU-Unternehmensgruppe

Energy Supply in the Region Ulm / Neu-Ulm END Monat Jahr Abteilung Folie 15 © SWU-Unternehmensgruppe